What is produced during the replacement reaction of cu(no3)2 and zn?

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum

What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added